Darin Croftさんのイラストまとめ

#FossilFriday 🇧🇴Three photos of a beautiful 13 million-year-old lower jaw of the #litoptern Llullataruca shockeyi from #Bolivia: (1) as discovered (by our geologist!); (2) after extraction; and (3) after preparation, as shown in the 2018 JVP article by @mcgratherium et al.

#FossilFriday 🇧🇴This tiny interathere #notoungulate jaw from #Bolivia is now the holotype of a #newspecies, Juchuysillu ("small hoof" in Quechua) arenalesensis (the fossil site). Reconstruction by @VelizarSim w. a mesothere notoungulate behind it. Published in @ameghiniana